[gtksourceview/wip/fix-styles] Fix the style schemes when used with a dark gtk+ theme

[Sébastien Wilmet <swilmet src gnome org>]

commit 6e6e52cd1995455e052dd3dd2e21e5b557768510
Author: Sébastien Wilmet <swilmet gnome org>
Date:   Thu Feb 6 16:28:39 2014 +0100

    Fix the style schemes when used with a dark gtk+ theme
    
    This affects the classic and tango style schemes.
    
    The problem was that some colors were taken from the gtk theme.
    I think we don't have the choice, and have to hard code the colors. They
    come from:
    
    https://git.gnome.org/browse/gnome-themes-standard/tree/themes/Adwaita/gtk-3.0/gtk-main.css#n1

 data/styles/classic.xml |    8 ++++++++
 data/styles/tango.xml   |    9 +++++++++
 2 files changed, 17 insertions(+), 0 deletions(-)
---
diff --git a/data/styles/classic.xml b/data/styles/classic.xml
index 621a454..0a2c6b8 100644
--- a/data/styles/classic.xml
+++ b/data/styles/classic.xml
@@ -42,8 +42,16 @@
   <color name="yellow"     value="#FFFF00"/>
   <color name="purple"     value="#A020F0"/>
 
+  <!-- See the Adwaita light theme. We copy the color values here so the style
+       scheme works also with a dark gtk+ theme. -->
+  <color name="text_color"        value="#2e3436"/>
+  <color name="selected_bg_color" value="#4a90d9"/>
+
   <!-- Global Settings -->
+  <style name="text"                        foreground="text_color" background="white"/>
+  <style name="selection"                   foreground="white" background="selected_bg_color"/>
   <style name="current-line"                background="#eeeeec"/>
+  <style name="line-numbers"                foreground="text_color" background="white"/>
   <style name="draw-spaces"                 foreground="#babdb6"/>
 
   <!-- Bracket Matching -->
diff --git a/data/styles/tango.xml b/data/styles/tango.xml
index 62dddac..8c298d4 100644
--- a/data/styles/tango.xml
+++ b/data/styles/tango.xml
@@ -26,6 +26,7 @@
   <_description>Color scheme using Tango color palette</_description>
 
   <!-- Tango Palette -->
+  <color name="white"                       value="#ffffff"/>
   <color name="butter1"                     value="#fce94f"/>
   <color name="butter2"                     value="#edd400"/>
   <color name="butter3"                     value="#c4a000"/>
@@ -54,9 +55,17 @@
   <color name="aluminium5"                  value="#555753"/>
   <color name="aluminium6"                  value="#2e3436"/>
 
+  <!-- See the Adwaita light theme. We copy the color values here so the style
+       scheme works also with a dark gtk+ theme. -->
+  <color name="text_color"        value="#2e3436"/>
+  <color name="selected_bg_color" value="#4a90d9"/>
+
   <!-- Global Settings -->
+  <style name="text"                        foreground="text_color" background="white"/>
+  <style name="selection"                   foreground="white" background="selected_bg_color"/>
   <style name="cursor"                      foreground="aluminium4"/>
   <style name="current-line"                background="aluminium1"/>
+  <style name="line-numbers"                foreground="text_color" background="white"/>
   <style name="draw-spaces"                 foreground="aluminium3"/>
 
   <!-- Bracket Matching -->